Instituto Nacional de ciberseguridad. Sección Incibe
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CVE-2021-36172

Severity CVSS v4.0:
Pending analysis
Type:
CWE-611 Improper Restriction of XML External Entity Reference ('XXE')
Publication date:
02/11/2021
Last modified:
04/11/2021

Description

An improper restriction of XML external entity reference vulnerability in the parser of XML responses of FortiPortal before 6.0.6 may allow an attacker who controls the producer of XML reports consumed by FortiPortal to trigger a denial of service or read arbitrary files from the underlying file system by means of specifically crafted XML documents.

Impact

Vector 3.x
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H CVSS v3.1 Severity and Metrics:

Base Score: 8.10 HIGH
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H

Attack Vector (AV): Network
Attack Complexity (AC): Low
Privileges Required (PR): Low
User Interaction (UI): None
Scope (S): Unchanged
Confidentiality (C): High
Integrity (I): None
Availability (A): High

Base Score 3.x
8.10
Severity 3.x
HIGH
Vector 2.0
AV:N/AC:L/Au:N/C:P/I:N/A:P CVSS v2.0 Severity and Metrics:

Base Score: 6.40 MEDIUM
Vector: AV:N/AC:L/Au:N/C:P/I:N/A:P

Attack Vector (AV): Network
Attack Complexity (AC): Low
Authentication (Au): None
Confidentiality (C): Physical
Integrity (I): None
Availability (A): Physical

Base Score 2.0
6.40
Severity 2.0
MEDIUM

Vulnerable products and versions

CPE From Up to
cpe:2.3:a:fortinet:fortiportal:*:*:*:*:*:*:*:* 4.0.0 (including) 4.0.4 (including)
cpe:2.3:a:fortinet:fortiportal:*:*:*:*:*:*:*:* 4.1.0 (including) 4.1.2 (including)
cpe:2.3:a:fortinet:fortiportal:*:*:*:*:*:*:*:* 4.2.0 (including) 4.2.4 (including)
cpe:2.3:a:fortinet:fortiportal:*:*:*:*:*:*:*:* 5.0.0 (including) 5.0.3 (including)
cpe:2.3:a:fortinet:fortiportal:*:*:*:*:*:*:*:* 5.1.0 (including) 5.1.2 (including)
cpe:2.3:a:fortinet:fortiportal:*:*:*:*:*:*:*:* 5.2.0 (including) 5.2.6 (including)
cpe:2.3:a:fortinet:fortiportal:*:*:*:*:*:*:*:* 5.3.0 (including) 5.3.7 (excluding)
cpe:2.3:a:fortinet:fortiportal:*:*:*:*:*:*:*:* 6.0.0 (including) 6.0.6 (excluding)

To consult the complete list of CPE names with products and versions, see this page


References to Advisories, Solutions, and Tools